{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["administrative division of country", "ethnicity of people", "country of administrative divisions", "geographic distribution"], "input": "METRO TOUR SERVICE visits Brooklyn Heights , Fort Greene and Clinton Hill , today through Sunday at 2 p.m. , meeting in front of the Marriott , Adams and Tillary Streets , downtown Brooklyn ."}
{"administrative division of country": [], "ethnicity of people": [], "country of administrative divisions": [], "geographic distribution": []}